HTTP 204 No Content vs 415 Unsupported Media Type
HTTP 204 (No Content) is a 2xx Success response, while 415 (Unsupported Media Type) is a 4xx Client Error response. 204 indicates that the server successfully processed the request but is not returning any content. Common for DELETE operations and form submissions that don't need a response body. In contrast, 415 means that the server refuses to accept the request because the Content-Type is not supported.
Description
The server successfully processed the request but is not returning any content. Common for DELETE operations and form submissions that don't need a response body.
Quand vous le voyez
After DELETE requests, PUT updates where no body is needed, or CORS preflight responses.
Comment résoudre
No fix needed. The action was successful; there is simply no content to return.
Description
The server refuses to accept the request because the Content-Type is not supported.
Quand vous le voyez
When sending JSON to an endpoint that only accepts XML, or missing the Content-Type header.
Comment résoudre
Set the correct Content-Type header matching the data format you're sending.
Différences clés
204 is a 2xx Success response, while 415 is a 4xx Client Error response.
HTTP 204: The server successfully processed the request but is not returning any content. Common for DELETE operations and form submissions that don't need a response body.
HTTP 415: The server refuses to accept the request because the Content-Type is not supported.
You encounter 204 when after DELETE requests, PUT updates where no body is needed, or CORS preflight responses.
You encounter 415 when when sending JSON to an endpoint that only accepts XML, or missing the Content-Type header.
Quand utiliser lequel
For 204 (No Content): No fix needed. The action was successful; there is simply no content to return. For 415 (Unsupported Media Type): Set the correct Content-Type header matching the data format you're sending.